EXPRESS PROTRACTOR

EXPRESS PROTRACTORDepending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.

To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.

Recommend to read

  • Tu-22Tu-22
    The Tu-22 was designed to replace the Tu-16. The design of the new aircraft under the symbol "105" was initiated in the Tupolev 15 August 1955 and August 1957 was completed construction...
  • BUILDING A YACHTBUILDING A YACHT
    Despite the fact that industry produces many diverse small vessels (including yachts), the number of homemade boats built by amateurs grows year by year. They boldly experiment with...